What does a person do when solid food is “too hard”? Goes on soft! Here also it is necessary to do with an old or broken drill bit for metal. Sharpen its end, as shown in the figure, and it long will serve you faithfully, but to work with softer materials: wood, Plexiglas, plastics.
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Box plywood cap on the radiator with a pull-out slatted frame will double the useful work: quick dry hanging wet towels or nappies and simultaneously to humidify the air in the room,...
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Buzzer on digital circuits switching on/off of electronic devices with power supply of 12 V. In the car a lot of devices that are included in the operation key or switch. To control...
